air blend door 2004 Gmc Sierra w/dual control heat. one side will blow cold air & the other hot installed new controller. same result air door actuator be the problem ? Replace the broken actuator.
...blend door I am having the exact same problem. After turning the ignition to off and restarting the vehicle, the A/C works properly again...for a little while. Is it really the actuator or something ...
door blend actuator works, but when changing from cool to warm truck still blows cool, but temp gauge show engine is running hot-230 blend motor is defective,,, locate and replace
2004 GMC Sierrsonly works on heat no defrosters or vents Blend door malfunction. check for a broken door, or bad door actuator.
...air while passengers side works blows hot air just fine Replace the door blend actuator behind glove box, approx $150 for part, Everyone I know with dual control on the silverado's have this
blend doors may be broken inside the heater box. To repair or replace the broken door you have to remove the heater box. This is not a small job. The book gives 6-7 hours for the job. There is a cheat
Question about GMC Sierra
...only works on heat won't switch over to defroster or vents Sounds like the blend door. The actuator motor is located on top of the box (behind the glove box) and is notorious for
Question about GMC Sierra
blend door under the dash i think the expansion valve is not working but I dont know whw\ere is at the air temp actuator for the driver side probably needs to be replaced. mine is doing the same
...cold air will come out of vents, cant afford to get fixed right, right now Sounds like an actuator on a blend door is not working properly. i had the same /recall took it to gmc dealer /they fixed ...
blend door act? " act "?? 2004 Buick Century A/C Heater Blend Door Actuator AutoZone https://www.autozone.com > buick > century > 2004 Dorman HVAC Door Actuator 604-107 · Part # 604-107 · SKU # 575021
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